Nasal Cavity & Nasopharynx Flashcards

1
Q

what bones make up the nasal cavity?

A
  • nasal bones
  • maxilla (frontal & palatine processes)
  • frontal (nasal spine)
  • ethmoid (cribriform plate)
  • palatine (horizontal plate)
  • vomer
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what forms the roof of the nasal cavity?

A
  • cribriform plate of ethmoid
  • body of sphenoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what forms the floor of the nasal cavity?

A

hard palate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what forms the medial wall of the nasal cavity?

A

nasal septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what forms the lateral wall of the nasal cavity?

A

nasal conchae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

which nasal conchae are part of the ethmoid bone?

A

superior & middle
(inferior is its own structure/bone)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

name the 3 types of nasal cartilages

A
  • 2 lateral
  • 2 alar
  • 1 septal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

the sphenoethmoidal recess is the opening for the ____

A

sphenoidal sinus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

location of ethmoidal bulla

A

middle nasal meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the semilumar hiatus is the location of the opening for the ____ & ____ sinuses, and is located in the ____

A
  • frontal & maxillary
  • middle nasal meatus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the inferior nasal meatus contains the opening for the ____

A

nasolacrimal duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the superior nasal meatus contains the opening for the ____

A

posterior ethmoidal sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

name the arteries of the nasal cavity

A
  • anterior & posterior ethmoidal
  • sphenopalatine
  • greater palatine
  • superior labial
  • lateral nasal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

anterior and posterior ethmoidal arteries originate from the ____

A

ophthalmic a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

superior labial & lateral nasal arteries originate from the ____

A

facial a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

the pterygoid plexus of veins travels with the…

A

maxillary a branches

17
Q

veins travelling with the ophthalmic artery branches communicate with the ____

A

cavernous sinuses

18
Q

innervation of anterosuperior region of nasal cavity

A

ophthalmic (V1):
- anterior & posterior ethmoidal nn (branches of nasociliary n)

19
Q

innervation of posteroinferior region of nasal cavity

A

maxillary (V2):
- nasopalatine nn
- greater palatine nn

20
Q

the nasal cavity is continuous posteriorly with the ____

A

nasopharynx

21
Q

location and contents of pterygopalatine fossa

A
  • pyramidal space inferior to orbit & medial to infratemporal fossa
  • contains third (terminal) part of maxillary a and n (V2)
22
Q

the third part of the maxillary artery is called the ____

A

pterygo-palatine part of maxillary a

23
Q

describe the path of the pterygo-palatine part of the maxillary artery

A

passes through infratemporal fossa into pterygopalatine fossa via pterygomaxillary fissure

24
Q

the pterygopalatine part of the maxillary artery gives off what 2 branches?

A

sphenopalatine a
descending palatine a

25
Q

the descending palatine artery gives off what 2 branches?

A

greater & lesser palatine a

26
Q

the maxillary nerve enters through ____

A

foramen rotundum

27
Q

the maxillary nerve gives off the ____ in the pterygopalatine fossa

A

zygomatic n

28
Q

the zygomatic nerve divides into what 2 nerves?

A

zygomaticotemporal
zygomaticofacial

29
Q

function of zygomaticotemporal nerve

A

conveys postganglionic PSNS fibers to the lacrimal gland

30
Q

the maxillary nerve suspends the ____

A

pterygopalatine (sphenopalatine) ganglion

31
Q

the maxillary nerve leaves through the ____ and continues as the _____ nerve

A

inferior orbital fissure
infraorbital n

32
Q

the pterygopalatine ganglion receives what nerve?

A

nerve of the pterygoid canal (vidian n)

33
Q

what forms the nerve of the pterygoid canal (vidian n)?

A
  • greater petrosal n
  • deep petrosal n
34
Q

what fibers does greater petrosal nerve carry?

A

preganglionic PSNS fibers from CN VII

35
Q

what fibers does deep petrosal nerve carry?

A

postganglionic SNS fibers from internal carotid plexus

36
Q

fibers from the pterygopalatine ganglion provide sensory to the…

A

nasal cavity
palate
superior pharynx

37
Q

fibers from the pterygopalatine ganglion provides PSNS & SNS fibers to the…

A

lacrimal, nasal, palatine & pharyngeal glands & mucosa

38
Q

name the functions of the pterygopalatine ganglion

A
  • sensory
  • secretomotor PSNS
  • vasoconstrictive SNS